Answer:
3x+y=5x-y
Step-by-step explanation:
Answer:
Step-by-step explanation:
2x+3x=4
5x=4
x=4/5
In math it means to make a problem easier to work with
Answer:

Step-by-step explanation:
multiply the numerator/denominator of the first fraction by (x - 4)
multiply the numerator/denominator of the second fraction by (x + 2)
this ensures that the fractions have a common denominator
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=
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← subtract numerators leaving the common denominator
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